Gen Chem Midterm Review

What is the branch of science that studies matter and its changes?

• Biology

• Chemistry

• Integrated Chemistry and Physics

• Anatomy/Physiology

Which is a homogenous mixture

• A metal alloy

• water

• nitrogen gas

• concrete

A compound is:

• two or more elements combined in a fixed ratio

• two or more elements

• an element

• a mixture

In a chemical reaction, matter is :

• neither created nor destroyed

• created

• destroyed

• converted to energy

In a chemical reaction, energy is :

• neither created nor destroyed

• created

• destroyed

• converted to matter

Has a definite shape and volume

• solid

• liquid

• gas

• plasma

Has a definite volume, but takes the shape of its container

• solid

• liquid

• gas

• plasma

Does not have definite shape or volume

• solid

• liquid

• gas

• plasma

If the components of a mixture retain their properties and are not evenly distributed, it is most likely a:

• homogenous mixture

• heterogenous mixture

• compound

• element

The ability to react (undergo a chemical change) is a:

• Chemical property

• Physical property

• trait

• characteristic